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Windows 7: Wierd problem with my USB ports. Cant get any of them to work!

After last Sunday neither my keyboard or mouse have been working.
Actually, none of my USB Devices work in my ports..
I have now done some testing, and this is what I have found out:

*None of my USB ports work.
*PS/2 does.
*If I Uninstall the drivers for the Universal Serial Bus Controllers the ports work until
they reinstall.
*After the drivers (?) for the Bus Controller are reinstalled automaticly the driver
installer says that my devices are unplugged.

Also for some reason my computer cant find any internet. "No internet access"
It should work, it has been for three years now.

I have been fiddling with the Device Manager and found out that if i right click and select "Uninstall" to the two "USB Root Hub"'s that show up, and to Standard OpenHCD USB Host Controller and the Standard Enhanced PCI to USB Host Controller, and after clicking the "Scan For Hardware Changes" my keyboard and mouse lights up, and work!

Sadly the Drivers or whatever it is in the Universal Serial Bus Controllers tab reinstall automaticly.

I (Think? ) that i have done everything i am capeble to think of. And need help!

I am quite certain that this is not the drivers, since i have been (Atlest tried!) installing the updates for them after my problem occured.

I would be extremely happy if anyone out there can reply with a possible solution to my Internet Problem, and USB problem!

(This post will probably have terrible writing, since this is not my native languange, SORRY! )

Thanks for an idea and compliments!
They had one driver for Vista, (Not my OS) and that was: 2008-12-15 , Versjon:N/A
System Recovery Kit for Pavilion or Presario Notebook
I did not install it , since it was not my OS.
But if anyone have any other ideas i will try to confirm them, either if they work or not..! (?)

I made a System Restore Point, and was about to download the System Recovery Kit driver, but found out that it costed me 327.12 NOK, 35.9832 GBP or 56.26464 USD..
I really don't want to pay that fee. At least not since I don't even know if this will work.
But keep the ideas coming!

I did a full scan, and there turned up to be a lot of infected files. I deleted all of them. After this i tried to reconnect my keyboard, but the scan made no difference from last time i tried to connect it. Conclusion: That did not work. :C
So i still need help

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Hardware & Devices

LIBusb, USB ports doesn't work. Safe mode also no workAfter I install LIBusb I could work futher. But after I put him off en reboot an hour later my wired mouse en keyboard didn't work anymore.
When I restart in safe mode both still doesnt work.
OS: W7 Home Premium 64b
Computer: HP Pavilion p6250
Please Help!!

Drivers

All ports of the USB does not workAll ports of the USB does not work
She was working before !
:cry:
http://img260.imageshack.us/img260/5435/73424011.jpg
My motherboard is (( PC-AM3RS790G - PURE CrossFireX 790GX ))